140 GHz high-gain LTCC-integrated transmit-array antenna using a wideband SIW aperture-coupling phase delay structure

ZW Miao, ZC Hao, GQ Luo, L Gao… - … on Antennas and …, 2017 - ieeexplore.ieee.org
This paper presents the complete design of a wideband transmit-array (TA) antenna with
high gain and high efficiency for D-band applications based on the low-temperature co-fired …

Printed circularly polarized spiral antenna array for millimeter-wave applications

Q Zhu, KB Ng, CH Chan - IEEE Transactions on Antennas and …, 2016 - ieeexplore.ieee.org
A novel circularly polarized (CP) antenna element based on spiral antenna is proposed in
this paper. It is differentially fed with an aperture through two vias locating at opposite sides …

Dual-band circularly polarized transmitarray with single linearly polarized feed

YM Cai, K Li, W Li, S Gao, Y Yin… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This communication proposes a novel method to design a dual-band circularly polarized
(CP) transmitarray (TA) antenna with a linearly polarized (LP) feed. By using this method, a …

Dual circular-polarized SIW-fed high-gain scalable antenna array for 60 GHz applications

Y Zhao, KM Luk - IEEE Transactions on Antennas and …, 2018 - ieeexplore.ieee.org
In this paper, a dual circularly polarized high-gain scalable antenna array is proposed for the
60 GHz applications. The array consists of cross-slot-coupled cavity-backed square patch …

A circularly polarized 3-D printed dielectric transmitarray antenna at millimeter-wave band

F Wei, JW Hao, L Xu, X Shi - IEEE Antennas and Wireless …, 2021 - ieeexplore.ieee.org
In this letter, a novel elliptical cylinder dielectric resonator (ECDR) is proposed. By
combining a square substrate and two symmetrical ECDRs, an ECDR element is formed …

A millimeter-wave Fabry–Pérot cavity antenna using Fresnel zone plate integrated PRS

QY Guo, H Wong - IEEE Transactions on Antennas and …, 2019 - ieeexplore.ieee.org
This communication introduces a new structure of a partially reflective surface (PRS) to
realize gain enhancement for a millimeter-wave Fabry-Pérot Cavity (FPC) antenna. It is the …

Method to enhance directional propagation of circularly polarized antennas by making near-electric field phase more uniform

MU Afzal, A Lalbakhsh… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A new approach to significantly increase the uniformity in aperture phase distribution,
through time synchronization in the near-electric field, of circularly polarized (CP) antennas …

Heuristic search inspired beam selection algorithms for mmWave MU-MIMO system with discrete lens array

D Wang, W Zhang, Q Zhu - IEEE Access, 2021 - ieeexplore.ieee.org
By employing beam selection in beamspace, the costs of hardware and power consumption
in millimeter wave (mmWave) massive multiple input multiple output (MIMO) system can be …

An Angle-Multiplexed Multifocal Method for D-Band 2D Beam-Scanning Transmitarray Leveraging 3D Transmission Line Component

J Lai, X Lv, MM Rahman, MAI Oni… - IEEE Antennas and …, 2024 - ieeexplore.ieee.org
This paper proposes an angle-multiplexed multifocal method for designing a 2D beam-
scanning transmitarray (TA). The angle-multiplexed method is commonly used to generate …

Hybrid numerical methodology for efficient design and optimization of transmit-array antennas, X-band application

J Pages-Mounic, ADOC Junior, A Barka… - IEEE Access, 2021 - ieeexplore.ieee.org
This paper presents a complete hybrid numerical methodology for the efficient design and
optimization of large-scale Transmit-Array (TA) antennas for modern telecommunication …